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Claude Sonnet 4 Blog

How to add Claude to an Alexa skill
Mar 30, 2026
Claude Haiku 4.5
claude opus 4.5
Claude Sonnet 4.5

How to add Claude to an Alexa skill

Voice assistants are increasingly powered by large language models. If you want to bring Anthropicโ€™s Claude API into an Alexa skill you maintain or build, this guide walks you through the practical architecture, concrete code patterns, and operational considerations youโ€™ll need โ€” from quick proof-of-concept to a production-grade skill.

Gemini 3 Pro vs Claude 4.5 Sonnet for Coding: Which is Better in 2025
Mar 27, 2026
Claude Sonnet 4.5
Gemini 3 Pro

Gemini 3 Pro vs Claude 4.5 Sonnet for Coding: Which is Better in 2025

Both Gemini 3 Pro (Google/DeepMind) and Claude Sonnet 4.5 (Anthropic) are 2025-era flagship models optimized for agentic, long-horizon, tool-using workflows โ€”

GPT-5.1 vs Claude Sonnet 4.5 โ€” Which one leads the frontier in 2025?
Jan 6, 2026
Claude Sonnet 4.5
GPT-5.1

GPT-5.1 vs Claude Sonnet 4.5 โ€” Which one leads the frontier in 2025?

OpenAIโ€™s GPT-5.1 is an incremental but product-focused update that introduces two usage-flavored variants (Instant and Thinking), extended prompt caching, and

Agentic Coding with Claude Haiku 4.5: A Guide For Developer in 2025
Jan 6, 2026
Claude Haiku 4.5
Claude Sonnet 4.5
claude-haiku-4-5-20251001

Agentic Coding with Claude Haiku 4.5: A Guide For Developer in 2025

With the October 2025 arrival of Claude Haiku 4.5, Anthropic delivered a model explicitly optimized for agentic workloads: fast, cost-efficient, and tuned for sub-agent orchestration and โ€œcomputer useโ€ tasks (i.e., driving tools, editors, CLIs).

How Much Does Claude Sonnet 4.5 Cost?
Jan 6, 2026
Claude Sonnet 4.5
Claude Sonnet 4.5

How Much Does Claude Sonnet 4.5 Cost?

Anthropicโ€™s Claude Sonnet 4.5 (often shortened to Sonnet 4.5) arrived as a performance-focused successor in Anthropicโ€™s Claude family. For teams deciding

How to use Claude Sonnet 4.5 with Cursor
Dec 2, 2025
Claude Sonnet 4.5
Claude Sonnet 4.5

How to use Claude Sonnet 4.5 with Cursor

Anthropicโ€™s Claude Sonnet 4.5 arrived as a focused update for coding, agentic workflows, and โ€œcomputer useโ€ โ€” the kinds of tasks that require long context,

Claude Sonnet 4.5 API
Jan 6, 2026
Anthropic
Claude Sonnet 4.5
Claude Sonnet 4.5

Claude Sonnet 4.5 API

Anthropicโ€™s Claude Sonnet 4.5 is a 2025 update focused on long-duration autonomous work, stronger tool/computer use, tighter safety/alignment, and richer developer features (context editing, memory, in-chat code execution and file creation). Benchmarks and vendor tests emphasize large gains on coding and โ€œagenticโ€ tasks (e.g., Anthropic reports ~30 hours of continuous autonomous coding in internal tests and big jumps on OS/tool-use benchmarks).

Claude Sonnet 4.5 โ€” whatโ€™s new, how it performs, and why you might pick it
Jan 6, 2026
Claude Sonnet 4.5
Claude Sonnet 4.5

Claude Sonnet 4.5 โ€” whatโ€™s new, how it performs, and why you might pick it

Claude Sonnet 4.5 (commonly shorted to Claude 4.5) is Anthropicโ€™s September 29, 2025 frontier release focused on long-horizon agentic work, coding, and